Water-closet bowl.



C. H. ROLLINS.

WATER CLOSET BOWL.

APPLICATION rum) DEG.6,1900.

Patented Nov. 24, 1908.

UNITED STATES PATENT OFFICE.

CHARLES H. ROLLINS, OF WATERTOWN, MASSACHUSETTS, ASSIGNOR TO THE VENOLOS COMPANY, OF KITTERY, MAINE, A CORPORATION OF MAINE.

WATER-CLOSET BOWL.

Specification of Letters Patent.

Patented Nov. 24, 1908.

To all whom it may concern:

Be it known that I, CHARLES H. RoLLrNs, of WVatertown, in the county of Middlesex and State of Massachusetts, have invented certain new and useful Improvements in ater-Closet Bowls, of which the following is a specification.

This invention has relation to water-closet bowls, wherein provision is made for ventilation, the object of the invention being to provide a closet of the character referred to with a large unobstructed vent by which the air in the bowl may be carried to a con venient stack or conduit.

In many private residences, as well as large public buildings, it is the practice of sanitary engineers to carry the vent directly into a ventilating chamber or conduit communicating with the stack. In such cases, however, if the closet trap becomes clogged, the contents of the bowl are liable to overflow through the vent into the vent conduit or chamber, with disastrous results. Consequently, the prime object of the present invention is to provide certain improvements in the ventilating part of the closet, whereby the overflow, in case the outlet from the bowl becomes clogged, will be discharged over the flushing rim or top of the bowl and not out through the vent.

Referring to the accompanying drawings, which illustrate one embodiment of my invention, Figure 1 represents in perspective view a water-closet embodying my inven tion. Fig. 2 represents a side elevation of the same.

Referring to the drawings,the bowl a is supported upon a base 6, and is strengthened by a strut a. The top of the bowl is formed with the usual flushing rim. which extends rearwardly by the neck 0 The neck 0 is of suflicient length to project through the partition in front of which the closet is placed. The flushing water is supplied to the neck and flushing rim through a flushing pipe (Z leading from a convenient tank or other source of supply, although in Fig. 2, the flushing pipe is shown as in the rear of the partition m.

The bowl, as shown, is of the wash-down type, and it is provided with the waste-pipe e which with the bowl forms a trap f. The waste-pipe is shown as being formed with the bowl structure, but of course it may, if desired, be made of metal. In the rear portion of the bowl, below the flushing rim, and above the trap, there is a large unobstructed opening which extends into an upwardly projecting neck g, the upper end of which is flush with the top of the flushing rim. To this neck is attached a supplemental neck h which may be of metal or porcelain, or vitrified ware, as desired.

The supplemental neck and the neck g are secured together in any desired way by bolts, clamps, or otherwise, the two thus forming a vent which is of the same crosssectional area throughout and which extend rearward and upward, and then rearward, terminating in a substantially horizontal plane above the top of the flushing rim. By reason of this construction, the bowl may be set close to a wall or partition m, so that the neck may extend therethrough, and discharge the air or odors into a vent chamber or conduit.

In case the trap should become clogged, the overflow of water from the bowl would not cause it to pass into the vent pipe, since the lowest portion of the end of the neck is higher than the flushing rim of the bowl. It will be noticed that the vent and the mouth thereof are both unobstructed. The neck 0 for the flushing water and the ventilating neck project rearward to the same extent, and they together with the outlet of the bowl may project through the said partition m, so that no couplings are visible in front thereof.

Having thus explained the nature of the invention, and described a way of construct ing and using the same, although without at- 10 substantially horizontal neck above the plane of the flushing rim, the two necks projecting rearwardly from the bowl and terminating in substantially the same vertical transverse plane, substantially as described.

In testimony whereof I have affixed my 15 signature, in presence of two witnesses.

CHARLES H. ROLLINS. Witnesses:

1V1. B. MAY, A. D. HARRISON. 

